3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface ModifierInterface { public function apply(array $data, string $key): array; } class ArrayHelper { public static function mergeReverse(...$args): array { return self::applyModifiers(self::performMergeReverse(...$args)); } public static function merge(...$args): array { return self::applyModifiers(self::performMerge(...$args)); } private static function performMergeReverse(...$args): array { $res = array_pop($args) ?: []; while (!empty($args)) { foreach (array_pop($args) as $k => $v) { if (is_int($k)) { if (array_key_exists($k, $res) && $res[$k] !== $v) { $res[] = $v; } else { $res[$k] = $v; } } elseif (is_array($v) && isset($res[$k]) && is_array($res[$k])) { $res[$k] = self::performMergeReverse($v, $res[$k]); } elseif (!isset($res[$k])) { $res[$k] = $v; } } } return $res; } private static function performMerge(...$args): array { $res = array_shift($args) ?: []; while (!empty($args)) { foreach (array_shift($args) as $k => $v) { if (is_int($k)) { if (array_key_exists($k, $res) && $res[$k] !== $v) { $res[] = $v; } else { $res[$k] = $v; } } elseif (is_array($v) && isset($res[$k]) && is_array($res[$k])) { $res[$k] = self::performMerge($res[$k], $v); } else { $res[$k] = $v; } } } return $res; } public static function applyModifiers(array $data): array { $modifiers = []; foreach ($data as $k => $v) { if ($v instanceof ModifierInterface) { $modifiers[$k] = $v; unset($data[$k]); } elseif (is_array($v)) { $data[$k] = self::applyModifiers($v); } } foreach ($modifiers as $key => $modifier) { $data = $modifier->apply($data, $key); } return $data; } } $package = [ 'Swift_SmtpTransport::class' => [ '__class' => 'Swift_SmtpTransport::class', '__construct()' => [ 'localhost', ], 'setUsername()' => 'user', 'setPassword()' => '', ], ]; $app = [ 'Swift_SmtpTransport::class' => [ '__construct()' => [ 8888, true, ], 'setPassword()' => 'mypassword', ], ]; $result = ArrayHelper::merge($package, $app); var_export($result); echo "\n\n"; $resultPop = ArrayHelper::mergeReverse($package, $app); var_export($resultPop);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.120.0130.00817.76
8.4.110.0090.01217.89
8.4.100.0120.01117.79
8.4.90.0110.00920.52
8.4.80.0050.00318.98
8.4.70.0070.01218.87
8.4.60.0130.00822.21
8.4.50.0130.00918.85
8.4.40.0080.00717.75
8.4.30.0130.00318.82
8.4.20.0100.01017.69
8.4.10.0040.00420.65
8.3.250.0060.00316.78
8.3.240.0120.00716.75
8.3.230.0120.00716.73
8.3.220.0100.00919.08
8.3.210.0120.00816.75
8.3.200.0050.00416.59
8.3.190.0070.00417.22
8.3.180.0120.00619.14
8.3.170.0170.00317.29
8.3.160.0090.00918.36
8.3.150.0110.00716.62
8.3.140.0150.00416.63
8.3.130.0040.00418.37
8.3.120.0100.00019.18
8.3.110.0080.00420.94
8.3.100.0030.00624.06
8.3.90.0000.00726.77
8.3.80.0060.00319.36
8.3.70.0080.00816.58
8.3.60.0110.00416.63
8.3.50.0090.00824.43
8.3.40.0130.00919.29
8.3.30.0160.00618.84
8.3.20.0050.00324.18
8.3.10.0030.00524.66
8.3.00.0000.00826.16
8.2.290.0030.00516.66
8.2.280.0130.00518.54
8.2.270.0130.00716.57
8.2.260.0150.00417.19
8.2.250.0060.00316.83
8.2.240.0030.00617.34
8.2.230.0000.00922.58
8.2.220.0060.00337.54
8.2.210.0040.00426.77
8.2.200.0030.00618.88
8.2.190.0180.00316.75
8.2.180.0140.00725.92
8.2.170.0110.00322.96
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0040.00426.35
8.2.110.0000.00920.38
8.2.100.0080.00317.91
8.2.90.0040.00418.16
8.2.80.0040.00417.97
8.2.70.0030.00617.38
8.2.60.0000.00817.50
8.2.50.0000.00818.05
8.2.40.0040.00420.00
8.2.30.0000.00718.06
8.2.20.0000.00718.06
8.2.10.0070.00019.25
8.2.00.0070.00019.22
8.1.330.0130.00516.43
8.1.320.0130.00717.67
8.1.310.0000.00718.22
8.1.300.0040.00418.17
8.1.290.0030.00630.84
8.1.280.0000.01425.92
8.1.270.0000.00823.99
8.1.260.0080.00028.09
8.1.250.0050.00228.09
8.1.240.0050.00322.25
8.1.230.0060.00620.93
8.1.220.0050.00317.89
8.1.210.0030.00518.89
8.1.200.0000.00917.38
8.1.190.0030.00617.25
8.1.180.0000.00818.10
8.1.170.0000.00718.88
8.1.160.0040.00418.84
8.1.150.0080.00018.96
8.1.140.0030.00518.91
8.1.130.0000.00821.84
8.1.120.0070.00017.39
8.1.110.0040.00417.47
8.1.100.0000.00717.44
8.1.90.0040.00417.54
8.1.80.0000.00817.47
8.1.70.0000.00717.37
8.1.60.0030.00517.58
8.1.50.0040.00417.55
8.1.40.0000.00817.46
8.1.30.0050.00317.59
8.1.20.0050.00317.68
8.1.10.0050.00317.56
8.1.00.0050.00317.39
8.0.300.0040.00420.25
8.0.290.0080.00016.63
8.0.280.0000.00718.47
8.0.270.0000.00717.99
8.0.260.0030.00320.14
8.0.250.0040.00416.89
8.0.240.0000.00716.95
8.0.230.0080.00017.00
8.0.220.0000.00716.79
8.0.210.0030.00316.78
8.0.200.0030.00316.96
8.0.190.0000.00816.88
8.0.180.0040.00416.85
8.0.170.0040.00416.91
8.0.160.0000.00716.89
8.0.150.0040.00416.87
8.0.140.0000.00816.79
8.0.130.0000.00613.37
8.0.120.0000.00716.85
8.0.110.0080.00016.90
8.0.100.0060.00316.92
8.0.90.0030.00617.04
8.0.80.0090.00716.89
8.0.70.0000.00716.77
8.0.60.0040.00416.96
8.0.50.0070.00016.88
8.0.30.0140.00317.35
8.0.20.0080.01217.20
8.0.10.0000.00817.07
8.0.00.0190.00416.95
7.4.330.0060.00015.55
7.4.320.0000.00616.59
7.4.300.0000.00616.53
7.4.290.0000.00716.61
7.4.280.0060.00316.53
7.4.270.0040.00416.53
7.4.260.0050.00013.25
7.4.250.0040.00416.61
7.4.240.0060.00116.54
7.4.230.0070.00016.43
7.4.220.0070.00016.63
7.4.210.0070.01116.57
7.4.200.0030.00316.34
7.4.130.0120.00916.71
7.4.120.0080.01616.57
7.4.110.0040.01416.71
7.4.100.0030.01216.33
7.4.90.0060.01516.61
7.4.80.0090.00919.39
7.4.70.0060.00916.46
7.4.60.0140.00316.43
7.4.50.0090.00916.24
7.4.40.0040.01216.43
7.4.30.0070.01016.23
7.4.20.0100.00616.27
7.4.10.0030.01316.02
7.4.00.0040.01216.55
7.3.330.0000.00716.19
7.3.320.0000.00613.24
7.3.310.0030.00316.44
7.3.300.0000.00816.29
7.3.290.0090.00716.36
7.3.260.0070.01416.63
7.3.240.0100.00816.54
7.3.230.0130.00316.38
7.3.210.0160.00416.54
7.3.200.0090.01116.24
7.3.190.0090.00916.32
7.3.180.0090.00616.52
7.3.170.0090.00616.39
7.3.160.0030.01316.37
7.3.150.0030.01216.18
7.3.140.0000.01616.64
7.3.130.0060.00916.36
7.3.120.0030.01316.39
7.3.110.0090.00616.38
7.3.100.0080.00816.32
7.3.90.0120.00316.42
7.3.80.0060.01016.48
7.3.70.0070.01016.29
7.3.60.0160.00316.56
7.3.50.0130.00416.45
7.3.40.0130.00316.59
7.3.30.0090.00716.32
7.3.20.0110.00816.42
7.3.10.0070.01416.51
7.3.00.0150.00716.55
7.2.330.0130.00616.76
7.2.310.0140.00316.64
7.2.300.0160.00016.71
7.2.290.0060.01016.52
7.2.280.0000.01716.55
7.2.270.0110.00516.69
7.2.260.0000.01716.69
7.2.250.0080.00816.48
7.2.240.0100.00616.79
7.2.230.0080.00816.55
7.2.220.0030.01316.69
7.2.210.0040.01216.80
7.2.200.0030.01316.71
7.2.190.0100.00616.34
7.2.180.0070.01116.64
7.2.170.0070.01016.71
7.2.160.0130.00316.50
7.2.150.0130.01016.76
7.2.140.0140.01016.75
7.2.130.0210.00316.86
7.2.120.0100.01016.80
7.2.110.0130.00616.75
7.2.100.0220.00916.52
7.2.90.0110.00816.56
7.2.80.0150.00316.52
7.2.70.0130.00416.59
7.2.60.0130.00316.70
7.2.50.0070.01016.62
7.2.40.0090.00816.73
7.2.30.0070.01116.64
7.2.20.0060.01316.60
7.2.10.0090.00916.54
7.2.00.0130.00416.66

preferences:
28.66 ms | 403 KiB | 5 Q